Home / 10,812.06-16,217.87-3,020.67

Finding the Fourth Proportional to 10,812.06, 16,217.87 and 3,020.67

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Solution

The fourth proportional to 10,812.06, 16,217.87 and 3,020.67 is: 4,530.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,812.06 : 16,217.87 = 3,020.67 : x
  2. Step 2: Convert to fraction form
    10,812.06/16,217.87 = 3,020.67/x
  3. Step 3: Cross multiply
    10,812.06x = 16,217.87 × 3,020.67
  4. Step 4: Simplify right side
    10,812.06x = 48,988,818.27
  5. Step 5: Solve for x
    x = 48,988,818.27/10,812.06
  6. Step 6: Final answer
    x = 4,530.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.